Home / 210,062,030.18-315,088,643.34-70,012,625.93

Finding the Fourth Proportional to 210,062,030.18, 315,088,643.34 and 70,012,625.93

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Solution

The fourth proportional to 210,062,030.18, 315,088,643.34 and 70,012,625.93 is: 105,017,471.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,062,030.18 : 315,088,643.34 = 70,012,625.93 : x
  2. Step 2: Convert to fraction form
    210,062,030.18/315,088,643.34 = 70,012,625.93/x
  3. Step 3: Cross multiply
    210,062,030.18x = 315,088,643.34 × 70,012,625.93
  4. Step 4: Simplify right side
    210,062,030.18x = 22,060,183,319,379,160
  5. Step 5: Solve for x
    x = 22,060,183,319,379,160/210,062,030.18
  6. Step 6: Final answer
    x = 105,017,471.75

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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.