Home / 105,312,153.20-157,968,229.80-88,306,041.20

Finding the Fourth Proportional to 105,312,153.20, 157,968,229.80 and 88,306,041.20

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Solution

The fourth proportional to 105,312,153.20, 157,968,229.80 and 88,306,041.20 is: 132,459,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,312,153.20 : 157,968,229.80 = 88,306,041.20 : x
  2. Step 2: Convert to fraction form
    105,312,153.20/157,968,229.80 = 88,306,041.20/x
  3. Step 3: Cross multiply
    105,312,153.20x = 157,968,229.80 × 88,306,041.20
  4. Step 4: Simplify right side
    105,312,153.20x = 13,949,549,009,009,870
  5. Step 5: Solve for x
    x = 13,949,549,009,009,870/105,312,153.20
  6. Step 6: Final answer
    x = 132,459,061.80

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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.