Home / 354,303,878.40-531,539,798.40-181,807,315.20

Finding the Fourth Proportional to 354,303,878.40, 531,539,798.40 and 181,807,315.20

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Solution

The fourth proportional to 354,303,878.40, 531,539,798.40 and 181,807,315.20 is: 272,754,066.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,303,878.40 : 531,539,798.40 = 181,807,315.20 : x
  2. Step 2: Convert to fraction form
    354,303,878.40/531,539,798.40 = 181,807,315.20/x
  3. Step 3: Cross multiply
    354,303,878.40x = 531,539,798.40 × 181,807,315.20
  4. Step 4: Simplify right side
    354,303,878.40x = 96,637,823,669,053,248
  5. Step 5: Solve for x
    x = 96,637,823,669,053,248/354,303,878.40
  6. Step 6: Final answer
    x = 272,754,066.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.