Home / 55,908,095.04-77,153,013.12-31,461,808.80

Finding the Fourth Proportional to 55,908,095.04, 77,153,013.12 and 31,461,808.80

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Solution

The fourth proportional to 55,908,095.04, 77,153,013.12 and 31,461,808.80 is: 43,417,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,908,095.04 : 77,153,013.12 = 31,461,808.80 : x
  2. Step 2: Convert to fraction form
    55,908,095.04/77,153,013.12 = 31,461,808.80/x
  3. Step 3: Cross multiply
    55,908,095.04x = 77,153,013.12 × 31,461,808.80
  4. Step 4: Simplify right side
    55,908,095.04x = 2,427,373,347,125,331.50
  5. Step 5: Solve for x
    x = 2,427,373,347,125,331.50/55,908,095.04
  6. Step 6: Final answer
    x = 43,417,207.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.