Home / 75,005,545.16-113,070,498.59-70,005,848.12

Finding the Fourth Proportional to 75,005,545.16, 113,070,498.59 and 70,005,848.12

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Solution

The fourth proportional to 75,005,545.16, 113,070,498.59 and 70,005,848.12 is: 105,533,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,005,545.16 : 113,070,498.59 = 70,005,848.12 : x
  2. Step 2: Convert to fraction form
    75,005,545.16/113,070,498.59 = 70,005,848.12/x
  3. Step 3: Cross multiply
    75,005,545.16x = 113,070,498.59 × 70,005,848.12
  4. Step 4: Simplify right side
    75,005,545.16x = 7,915,596,151,144,215
  5. Step 5: Solve for x
    x = 7,915,596,151,144,215/75,005,545.16
  6. Step 6: Final answer
    x = 105,533,479.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.